Search found 1794 matches
- Fri Jun 19, 2009 10:17 am
- Forum: General Topics
- Topic: Photogrammetry transformation matrix?
- Replies: 0
- Views: 2098
Photogrammetry transformation matrix?
The fundamental principle used by photogrammetry is that through "known" distances into and across a photograph, you can traingulate to determine "unknown" distances in a photograph. Check out Northwestern and look for 'Perspective Grid for Photographic Mapping of Evidence' it to...
- Fri Jun 19, 2009 10:07 am
- Forum: General Topics
- Topic: DeltaV in terms of G's?
- Replies: 0
- Views: 3796
DeltaV in terms of G's?
Q: I am used to discussing Delta -V for the forces on a person in a crash. Another expert is using G's. What is the conversion from one to the other? A: DeltaV, or Impact speed change, is normally associated with a collision. (to avoid those among you who will say `but you encounter a DeltaV when br...
- Fri Jun 19, 2009 9:45 am
- Forum: What Is?
- Topic: What it the "Ball Bank Indicator" and what does it measure?
- Replies: 2
- Views: 14751
What it the "Ball Bank Indicator" and what does it measure?
The term " Ball Bank Indicator " refers to an inclinometer that is used for the specific purpose of determining safe (uniform advisory) curve speeds for horizontal curves. It measures the overturning force (side friction), measured in degrees, on a vehicle negotiating a horizontal curve - ...
- Thu Jun 18, 2009 7:27 pm
- Forum: Welcome! Please Read!
- Topic: Welcome to the McHenry Software forum!
- Replies: 4
- Views: 20181
Welcome to the McHenry Software forum!
Welcome to the new McHenry Software forum! June 22, 2009 : This forum is being added to provide an active interaction between McHenry Software , our users and the Collision Reconstruction community. We will post up software questions and answers, information, tips, specific instructions, and a wide...